Merge pull request #5437 from ton31337/fix/replace_magic_number_to_readable

bgpd: Replace magic number 1 for TTL to BGP_DEFAULT_TTL
This commit is contained in:
Russ White 2019-11-27 07:18:21 -05:00 committed by GitHub
commit 6b88cae109
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 19 additions and 15 deletions

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@ -101,7 +101,7 @@ static int bgp_peer_reg_with_nht(struct peer *peer)
{
int connected = 0;
if (peer->sort == BGP_PEER_EBGP && peer->ttl == 1
if (peer->sort == BGP_PEER_EBGP && peer->ttl == BGP_DEFAULT_TTL
&& !CHECK_FLAG(peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)
&& !bgp_flag_check(peer->bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK))
connected = 1;

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@ -3454,8 +3454,8 @@ int bgp_update(struct peer *peer, struct prefix *p, uint32_t addpath_id,
&& (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST))
|| (safi == SAFI_EVPN &&
bgp_evpn_is_prefix_nht_supported(p))) {
if (safi != SAFI_EVPN
&& peer->sort == BGP_PEER_EBGP && peer->ttl == 1
if (safi != SAFI_EVPN && peer->sort == BGP_PEER_EBGP
&& peer->ttl == BGP_DEFAULT_TTL
&& !CHECK_FLAG(peer->flags,
PEER_FLAG_DISABLE_CONNECTED_CHECK)
&& !bgp_flag_check(
@ -3597,8 +3597,8 @@ int bgp_update(struct peer *peer, struct prefix *p, uint32_t addpath_id,
if (((afi == AFI_IP || afi == AFI_IP6)
&& (safi == SAFI_UNICAST || safi == SAFI_LABELED_UNICAST))
|| (safi == SAFI_EVPN && bgp_evpn_is_prefix_nht_supported(p))) {
if (safi != SAFI_EVPN
&& peer->sort == BGP_PEER_EBGP && peer->ttl == 1
if (safi != SAFI_EVPN && peer->sort == BGP_PEER_EBGP
&& peer->ttl == BGP_DEFAULT_TTL
&& !CHECK_FLAG(peer->flags,
PEER_FLAG_DISABLE_CONNECTED_CHECK)
&& !bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK))

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@ -10896,7 +10896,7 @@ static void bgp_show_peer(struct vty *vty, struct peer *p, bool use_json,
json_object_int_add(json_neigh,
"externalBgpNbrMaxHopsAway",
p->gtsm_hops);
else if (p->ttl > 1)
else if (p->ttl > BGP_DEFAULT_TTL)
json_object_int_add(json_neigh,
"externalBgpNbrMaxHopsAway",
p->ttl);
@ -10905,7 +10905,7 @@ static void bgp_show_peer(struct vty *vty, struct peer *p, bool use_json,
vty_out(vty,
" External BGP neighbor may be up to %d hops away.\n",
p->gtsm_hops);
else if (p->ttl > 1)
else if (p->ttl > BGP_DEFAULT_TTL)
vty_out(vty,
" External BGP neighbor may be up to %d hops away.\n",
p->ttl);

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@ -278,12 +278,14 @@ static int bgp_ifp_down(struct interface *ifp)
* 1-hop BFD
* tracked (directly connected) IBGP peers.
*/
if ((peer->ttl != 1) && (peer->gtsm_hops != 1)
if ((peer->ttl != BGP_DEFAULT_TTL)
&& (peer->gtsm_hops != 1)
&& (!peer->bfd_info
|| bgp_bfd_is_peer_multihop(peer)))
#else
/* Take down directly connected EBGP peers */
if ((peer->ttl != 1) && (peer->gtsm_hops != 1))
if ((peer->ttl != BGP_DEFAULT_TTL)
&& (peer->gtsm_hops != 1))
#endif
continue;
@ -448,7 +450,8 @@ static int bgp_interface_vrf_update(ZAPI_CALLBACK_ARGS)
/* Fast external-failover */
if (!CHECK_FLAG(bgp->flags, BGP_FLAG_NO_FAST_EXT_FAILOVER)) {
for (ALL_LIST_ELEMENTS(bgp->peer, node, nnode, peer)) {
if ((peer->ttl != 1) && (peer->gtsm_hops != 1))
if ((peer->ttl != BGP_DEFAULT_TTL)
&& (peer->gtsm_hops != 1))
continue;
if (ifp == peer->nexthop.ifp)
@ -1222,7 +1225,7 @@ void bgp_zebra_announce(struct bgp_node *rn, struct prefix *p,
SET_FLAG(api.flags, ZEBRA_FLAG_ALLOW_RECURSION);
}
if ((peer->sort == BGP_PEER_EBGP && peer->ttl != 1)
if ((peer->sort == BGP_PEER_EBGP && peer->ttl != BGP_DEFAULT_TTL)
|| CHECK_FLAG(peer->flags, PEER_FLAG_DISABLE_CONNECTED_CHECK)
|| bgp_flag_check(bgp, BGP_FLAG_DISABLE_NH_CONNECTED_CHK))

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@ -6557,16 +6557,17 @@ int is_ebgp_multihop_configured(struct peer *peer)
if (CHECK_FLAG(peer->sflags, PEER_STATUS_GROUP)) {
group = peer->group;
if ((peer_sort(peer) != BGP_PEER_IBGP)
&& (group->conf->ttl != 1))
&& (group->conf->ttl != BGP_DEFAULT_TTL))
return 1;
for (ALL_LIST_ELEMENTS(group->peer, node, nnode, peer1)) {
if ((peer_sort(peer1) != BGP_PEER_IBGP)
&& (peer1->ttl != 1))
&& (peer1->ttl != BGP_DEFAULT_TTL))
return 1;
}
} else {
if ((peer_sort(peer) != BGP_PEER_IBGP) && (peer->ttl != 1))
if ((peer_sort(peer) != BGP_PEER_IBGP)
&& (peer->ttl != BGP_DEFAULT_TTL))
return 1;
}
return 0;
@ -7109,7 +7110,7 @@ static void bgp_config_write_peer_global(struct vty *vty, struct bgp *bgp,
vty_out(vty, " neighbor %s passive\n", addr);
/* ebgp-multihop */
if (peer->sort != BGP_PEER_IBGP && peer->ttl != 1
if (peer->sort != BGP_PEER_IBGP && peer->ttl != BGP_DEFAULT_TTL
&& !(peer->gtsm_hops != 0 && peer->ttl == MAXTTL)) {
if (!peer_group_active(peer) || g_peer->ttl != peer->ttl) {
vty_out(vty, " neighbor %s ebgp-multihop %d\n", addr,